US President Barack Obama has roped in a well-known defence expert to head the South Asia desk at the National Security Council as his government wants to be India's best partner, withdraw troops from Afghanistan and wean away Pakistan from its polic...

Arlington County Police said in a tweet on Friday they gave the "all-clear" to a shopping centre near the headquarters of the U.S. Defense Department, with business returning to normal and roads re-opening after bomb-sniffing dogs inspected the area.

The Pentagon City Shopping Plaza and the Pentagon City Mall near the headquarters of the U.S. Department of Defense in Arlington, Virginia, were evacuated on Friday after an anonymous bomb threat was made, local media reported.

The US military has flown 2,320 air strikes against Islamic State militants since August 8 at a cost of $1.83 billion (114.34 billion rupees), hitting thousands of targets including tanks, oil infrastructure and fighting positions, the Pentagon said ...

The US military bases in Kandahar and Jalalabad are likely to remain open beyond the end of 2015, a senior US official said, as Washington considers slowing its military pull-out from Afghanistan to help the new government fight the Taliban.

It said in a statement that the strike last Thursday hit a vehicle carrying Garaar, a top official of the al Shabaab militant group, which the Pentagon says targets U.S. and other Western interests to further al Qaeda's goals.

A US-led coalition air strike in Syria hit an oil refinery run by the Islamic State militant group near the border with Turkey on Sunday, killing 30 people, the Syrian Observatory for Human Rights reported.

Cyber attacks on US weapons programs and manufacturers are a "pervasive" problem that requires greater attention, the top US arms buyer said on Thursday, saying that he would add cyber-security to the Pentagon's guidelines for buying weapons.

The US military has begun vetting a group of Syrian rebels eligible for training and assistance in the fight against Islamic State militants, a step that paves the way for training to begin in weeks, the Pentagon said on Friday.

Some 10,000 US M-16 rifles and other military supplies worth about $17.9 million arrived in Iraq this week as US troops pushed ahead with training and supplying Iraqi security forces battling Islamic State fighters, the Pentagon said on Tuesday.

US President Barack Obama's new Pentagon chief said on Saturday that the United States was seriously considering slowing the pace of a troop withdrawal from Afghanistan, as the country battles a resilient Taliban insurgency.

US Defence Secretary Ashton Carter, in one of his first decisions since taking office, plans to replace the military officer who serves as the Pentagon press spokesman with a civilian, officials said on Wednesday.

The United States will provide basic military training and equipment to Syrian rebels and may eventually instruct them on how to call in air strikes against Islamic State jihadists, the Pentagon said Wednesday.